Fix spelling and grammar errors in comments (#15370)

- dbus.rs: fix grammar (add 'between', pluralize 'processes')
- win_impl.rs: fix typo 'hight' -> 'high', idiom 'such called' -> 'so-called'
- startwm.sh: fix typo 'loging' -> 'logging'
- lib.rs: fix copy-paste error in doc comments for scroll buttons
- message.proto: fix typo 'Clipobard' -> 'Clipboard'

src/server/dbus.rs

@@ -1,7 +1,7 @@
 /// Url handler based on dbus
 ///
 /// Note:
-/// On linux, we use dbus to communicate multiple rustdesk process.
+/// On linux, we use dbus to communicate between multiple rustdesk processes.
 /// [Flutter]: handle uni links for linux
 use dbus::blocking::Connection;
 use dbus_crossroads::{Crossroads, IfaceBuilder};